| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package buildin |
| |
| import ( |
| "github.com/apache/servicecomb-service-center/server/core/backend" |
| "github.com/apache/servicecomb-service-center/server/plugin/discovery" |
| "github.com/apache/servicecomb-service-center/server/plugin/quota/counter" |
| ) |
| |
| var globalCounter = &GlobalCounter{} |
| |
| func init() { |
| counter.RegisterCounter(globalCounter) |
| } |
| |
| type GlobalCounter struct { |
| ServiceCount int64 |
| InstanceCount int64 |
| } |
| |
| func (c *GlobalCounter) OnCreate(t discovery.Type, domainProject string) { |
| switch t { |
| case backend.ServiceIndex: |
| c.ServiceCount++ |
| case backend.INSTANCE: |
| c.InstanceCount++ |
| } |
| } |
| |
| func (c *GlobalCounter) OnDelete(t discovery.Type, domainProject string) { |
| switch t { |
| case backend.ServiceIndex: |
| if c.ServiceCount == 0 { |
| return |
| } |
| c.ServiceCount-- |
| case backend.INSTANCE: |
| if c.InstanceCount == 0 { |
| return |
| } |
| c.InstanceCount-- |
| } |
| } |